{"assessment":{"best_window":{"end":"2031-08-29T02:05Z","end_local":"05:05","hours":5.75,"label":"good","mean_quality":0.86,"start":"2031-08-28T20:20Z","start_local":"23:20"},"cost":{"altitude":1.83,"clouds":0.0,"darkness":1.26,"moon":0.56},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":-3,"cloud":null,"high":null,"iso":"2031-08-28T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":6,"cloud":null,"high":null,"iso":"2031-08-28T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2031-08-28T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2031-08-28T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.51,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2031-08-28T21:00Z","label":"good","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2031-08-28T22:00Z","label":"good","low":null,"mid":null,"moon_alt":17,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2031-08-28T23:00Z","label":"good","low":null,"mid":null,"moon_alt":9,"precip":null,"q":0.86,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2031-08-29T00:00Z","label":"good","low":null,"mid":null,"moon_alt":0,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2031-08-29T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":77,"cloud":null,"high":null,"iso":"2031-08-29T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-21,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2031-08-29T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":-32,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":5.75,"reasons":["the target being low or below 20\u00b0 cost 1.8 quality-hours","daylight and twilight cost 1.3 quality-hours","moonlight cost 0.6 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":5.75,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2031-08-28T19:30Z","end_local":"22:30","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2031-08-28T17:00Z","start_local":"20:00"},{"end":"2031-08-28T20:20Z","end_local":"23:20","hours":0.83,"label":"marginal","mean_quality":0.46,"start":"2031-08-28T19:30Z","start_local":"22:30"},{"end":"2031-08-29T02:05Z","end_local":"05:05","hours":5.75,"label":"good","mean_quality":0.86,"start":"2031-08-28T20:20Z","start_local":"23:20"},{"end":"2031-08-29T02:45Z","end_local":"05:45","hours":0.67,"label":"marginal","mean_quality":0.5,"start":"2031-08-29T02:05Z","start_local":"05:05"},{"end":"2031-08-29T03:15Z","end_local":"06:15","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2031-08-29T02:45Z","start_local":"05:45"},{"end":"2031-08-29T03:45Z","end_local":"06:45","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-08-29T03:15Z","start_local":"06:15"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2031-08-28T18:41:15Z","dark_hours":7.37,"dark_to":"2031-08-29T02:03:44Z","moon":{"illumination":0.833,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":2.1,"moonrise":"2031-08-28T14:04:32Z","moonset":"2031-08-28T23:56:09Z","sunrise":"2031-08-29T03:43:31Z","sunset":"2031-08-28T17:01:32Z","twilight":{"astronomical":{"end":"2031-08-28T18:41:15Z","start":"2031-08-29T02:03:44Z"},"civil":{"end":"2031-08-28T17:30:19Z","start":"2031-08-29T03:14:42Z"},"nautical":{"end":"2031-08-28T18:04:51Z","start":"2031-08-29T02:40:09Z"}},"window_end":"2031-08-29T09:00:00Z","window_start":"2031-08-28T09:00:00Z"},"night_date":"2031-08-28","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.02,"alt":79.1,"t":"2031-08-29T01:30:00Z"},"dec":30.66017511,"dec_of_date":30.8216,"dec_str":"+30\u00b0 39' 36.6\"","good_hours":5.58,"limit_rise":"2031-08-28T19:29:49Z","limit_set":"2031-08-29T07:26:59Z","max_az_rate_deg_per_min":1.14,"moon_separation":103.5,"never_rises":false,"ra":23.46206906,"ra_of_date":23.9098,"ra_str":"01h 33m 50.9s","resolved":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72},"summary":"5.6 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2031-08-28T09:37:21Z","blocked_dark_hours":0,"clears_at":"2031-08-28T17:25:33Z","rise_az":307.0},"track":[{"above_terrain":true,"airmass":9.32,"alt":5.64,"az":307.0,"t":"2031-08-28T09:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":10.48,"alt":4.9,"az":307.8,"t":"2031-08-28T09:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":11.94,"alt":4.16,"az":308.5,"t":"2031-08-28T09:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":13.78,"alt":3.43,"az":309.3,"t":"2031-08-28T09:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":16.2,"alt":2.71,"az":310.1,"t":"2031-08-28T09:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":19.43,"alt":2.0,"az":311.0,"t":"2031-08-28T09:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":23.88,"alt":1.3,"az":311.8,"t":"2031-08-28T09:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":30.17,"alt":0.61,"az":312.6,"t":"2031-08-28T09:35:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-0.08,"az":313.4,"t":"2031-08-28T09:40:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-0.75,"az":314.3,"t":"2031-08-28T09:45:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-1.42,"az":315.1,"t":"2031-08-28T09:50:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-2.08,"az":316.0,"t":"2031-08-28T09:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":316.8,"t":"2031-08-28T10:00:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-3.36,"az":317.7,"t":"2031-08-28T10:05:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-3.98,"az":318.6,"t":"2031-08-28T10:10:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-4.59,"az":319.5,"t":"2031-08-28T10:15:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-5.2,"az":320.4,"t":"2031-08-28T10:20:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.79,"az":321.3,"t":"2031-08-28T10:25:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-6.37,"az":322.2,"t":"2031-08-28T10:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-6.94,"az":323.1,"t":"2031-08-28T10:35:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-7.49,"az":324.0,"t":"2031-08-28T10:40:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-8.04,"az":325.0,"t":"2031-08-28T10:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-8.57,"az":325.9,"t":"2031-08-28T10:50:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-9.09,"az":326.9,"t":"2031-08-28T10:55:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-9.59,"az":327.8,"t":"2031-08-28T11:00:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-10.08,"az":328.8,"t":"2031-08-28T11:05:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-10.56,"az":329.8,"t":"2031-08-28T11:10:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-11.02,"az":330.8,"t":"2031-08-28T11:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-11.47,"az":331.8,"t":"2031-08-28T11:20:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-11.91,"az":332.8,"t":"2031-08-28T11:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-12.33,"az":333.8,"t":"2031-08-28T11:30:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-12.74,"az":334.8,"t":"2031-08-28T11:35:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-13.13,"az":335.8,"t":"2031-08-28T11:40:00Z","terrain":-0.79},{"above_terrain":false,"airmass":null,"alt":-13.5,"az":336.9,"t":"2031-08-28T11:45:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-13.86,"az":337.9,"t":"2031-08-28T11:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-14.21,"az":339.0,"t":"2031-08-28T11:55:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-14.54,"az":340.0,"t":"2031-08-28T12:00:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-14.85,"az":341.1,"t":"2031-08-28T12:05:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-15.14,"az":342.2,"t":"2031-08-28T12:10:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-15.42,"az":343.2,"t":"2031-08-28T12:15:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-15.68,"az":344.3,"t":"2031-08-28T12:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-15.93,"az":345.4,"t":"2031-08-28T12:25:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-16.15,"az":346.5,"t":"2031-08-28T12:30:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-16.36,"az":347.6,"t":"2031-08-28T12:35:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-16.56,"az":348.7,"t":"2031-08-28T12:40:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-16.73,"az":349.8,"t":"2031-08-28T12:45:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-16.89,"az":350.9,"t":"2031-08-28T12:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-17.03,"az":352.0,"t":"2031-08-28T12:55:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-17.15,"az":353.2,"t":"2031-08-28T13:00:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-17.25,"az":354.3,"t":"2031-08-28T13:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.33,"az":355.4,"t":"2031-08-28T13:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-17.4,"az":356.5,"t":"2031-08-28T13:15:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-17.45,"az":357.7,"t":"2031-08-28T13:20:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-17.47,"az":358.8,"t":"2031-08-28T13:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.49,"az":359.9,"t":"2031-08-28T13:30:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-17.48,"az":1.0,"t":"2031-08-28T13:35:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-17.45,"az":2.2,"t":"2031-08-28T13:40:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-17.41,"az":3.3,"t":"2031-08-28T13:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-17.34,"az":4.4,"t":"2031-08-28T13:50:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-17.26,"az":5.5,"t":"2031-08-28T13:55:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-17.16,"az":6.7,"t":"2031-08-28T14:00:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-17.04,"az":7.8,"t":"2031-08-28T14:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-16.91,"az":8.9,"t":"2031-08-28T14:10:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-16.75,"az":10.0,"t":"2031-08-28T14:15:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-16.58,"az":11.1,"t":"2031-08-28T14:20:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-16.39,"az":12.2,"t":"2031-08-28T14:25:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-16.19,"az":13.3,"t":"2031-08-28T14:30:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-15.96,"az":14.4,"t":"2031-08-28T14:35:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-15.72,"az":15.5,"t":"2031-08-28T14:40:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-15.46,"az":16.6,"t":"2031-08-28T14:45:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-15.19,"az":17.7,"t":"2031-08-28T14:50:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-14.89,"az":18.8,"t":"2031-08-28T14:55:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-14.58,"az":19.8,"t":"2031-08-28T15:00:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-14.26,"az":20.9,"t":"2031-08-28T15:05:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-13.92,"az":21.9,"t":"2031-08-28T15:10:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-13.56,"az":23.0,"t":"2031-08-28T15:15:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-13.19,"az":24.0,"t":"2031-08-28T15:20:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-12.8,"az":25.0,"t":"2031-08-28T15:25:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-12.39,"az":26.1,"t":"2031-08-28T15:30:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-11.97,"az":27.1,"t":"2031-08-28T15:35:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-11.54,"az":28.1,"t":"2031-08-28T15:40:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-11.09,"az":29.1,"t":"2031-08-28T15:45:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-10.63,"az":30.1,"t":"2031-08-28T15:50:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-10.15,"az":31.1,"t":"2031-08-28T15:55:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-9.67,"az":32.0,"t":"2031-08-28T16:00:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-9.16,"az":33.0,"t":"2031-08-28T16:05:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-8.65,"az":34.0,"t":"2031-08-28T16:10:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-8.12,"az":34.9,"t":"2031-08-28T16:15:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-7.57,"az":35.8,"t":"2031-08-28T16:20:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-7.02,"az":36.8,"t":"2031-08-28T16:25:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-6.45,"az":37.7,"t":"2031-08-28T16:30:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-5.88,"az":38.6,"t":"2031-08-28T16:35:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-5.29,"az":39.5,"t":"2031-08-28T16:40:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-4.69,"az":40.4,"t":"2031-08-28T16:45:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-4.07,"az":41.3,"t":"2031-08-28T16:50:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":42.2,"t":"2031-08-28T16:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-2.82,"az":43.0,"t":"2031-08-28T17:00:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-2.17,"az":43.9,"t":"2031-08-28T17:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-1.52,"az":44.8,"t":"2031-08-28T17:10:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-0.85,"az":45.6,"t":"2031-08-28T17:15:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-0.18,"az":46.5,"t":"2031-08-28T17:20:00Z","terrain":0.64},{"above_terrain":false,"airmass":31.32,"alt":0.5,"az":47.3,"t":"2031-08-28T17:25:00Z","terrain":0.59},{"above_terrain":true,"airmass":24.68,"alt":1.19,"az":48.1,"t":"2031-08-28T17:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":20.0,"alt":1.9,"az":48.9,"t":"2031-08-28T17:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":16.62,"alt":2.61,"az":49.7,"t":"2031-08-28T17:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":14.1,"alt":3.32,"az":50.5,"t":"2031-08-28T17:45:00Z","terrain":0.47},{"above_terrain":true,"airmass":12.18,"alt":4.05,"az":51.3,"t":"2031-08-28T17:50:00Z","terrain":0.56},{"above_terrain":true,"airmass":10.68,"alt":4.79,"az":52.1,"t":"2031-08-28T17:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":9.48,"alt":5.53,"az":52.9,"t":"2031-08-28T18:00:00Z","terrain":0.82},{"above_terrain":true,"airmass":8.5,"alt":6.28,"az":53.7,"t":"2031-08-28T18:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":7.69,"alt":7.04,"az":54.4,"t":"2031-08-28T18:10:00Z","terrain":1.04},{"above_terrain":true,"airmass":7.01,"alt":7.8,"az":55.2,"t":"2031-08-28T18:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":6.44,"alt":8.57,"az":56.0,"t":"2031-08-28T18:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":5.94,"alt":9.35,"az":56.7,"t":"2031-08-28T18:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":5.51,"alt":10.14,"az":57.5,"t":"2031-08-28T18:30:00Z","terrain":1.15},{"above_terrain":true,"airmass":5.14,"alt":10.93,"az":58.2,"t":"2031-08-28T18:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":4.81,"alt":11.73,"az":58.9,"t":"2031-08-28T18:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":4.52,"alt":12.53,"az":59.7,"t":"2031-08-28T18:45:00Z","terrain":1.18},{"above_terrain":true,"airmass":4.26,"alt":13.35,"az":60.4,"t":"2031-08-28T18:50:00Z","terrain":1.14},{"above_terrain":true,"airmass":4.03,"alt":14.16,"az":61.1,"t":"2031-08-28T18:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":3.82,"alt":14.98,"az":61.8,"t":"2031-08-28T19:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":3.63,"alt":15.81,"az":62.6,"t":"2031-08-28T19:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":3.45,"alt":16.65,"az":63.3,"t":"2031-08-28T19:10:00Z","terrain":0.87},{"above_terrain":true,"airmass":3.3,"alt":17.48,"az":64.0,"t":"2031-08-28T19:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":3.15,"alt":18.33,"az":64.7,"t":"2031-08-28T19:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":3.02,"alt":19.18,"az":65.4,"t":"2031-08-28T19:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.9,"alt":20.03,"az":66.1,"t":"2031-08-28T19:30:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.79,"alt":20.89,"az":66.8,"t":"2031-08-28T19:35:00Z","terrain":0.91},{"above_terrain":true,"airmass":2.68,"alt":21.75,"az":67.5,"t":"2031-08-28T19:40:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.59,"alt":22.62,"az":68.1,"t":"2031-08-28T19:45:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.5,"alt":23.49,"az":68.8,"t":"2031-08-28T19:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.41,"alt":24.36,"az":69.5,"t":"2031-08-28T19:55:00Z","terrain":1.14},{"above_terrain":true,"airmass":2.34,"alt":25.24,"az":70.2,"t":"2031-08-28T20:00:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.26,"alt":26.12,"az":70.9,"t":"2031-08-28T20:05:00Z","terrain":1.26},{"above_terrain":true,"airmass":2.19,"alt":27.01,"az":71.6,"t":"2031-08-28T20:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.13,"alt":27.9,"az":72.3,"t":"2031-08-28T20:15:00Z","terrain":1.15},{"above_terrain":true,"airmass":2.07,"alt":28.79,"az":72.9,"t":"2031-08-28T20:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.01,"alt":29.69,"az":73.6,"t":"2031-08-28T20:25:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.96,"alt":30.59,"az":74.3,"t":"2031-08-28T20:30:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.91,"alt":31.49,"az":75.0,"t":"2031-08-28T20:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.86,"alt":32.4,"az":75.7,"t":"2031-08-28T20:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.82,"alt":33.3,"az":76.4,"t":"2031-08-28T20:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.77,"alt":34.21,"az":77.1,"t":"2031-08-28T20:50:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.73,"alt":35.13,"az":77.7,"t":"2031-08-28T20:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.7,"alt":36.04,"az":78.4,"t":"2031-08-28T21:00:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.66,"alt":36.96,"az":79.1,"t":"2031-08-28T21:05:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.63,"alt":37.88,"az":79.8,"t":"2031-08-28T21:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.59,"alt":38.8,"az":80.5,"t":"2031-08-28T21:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.56,"alt":39.73,"az":81.3,"t":"2031-08-28T21:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.53,"alt":40.65,"az":82.0,"t":"2031-08-28T21:25:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.5,"alt":41.58,"az":82.7,"t":"2031-08-28T21:30:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.48,"alt":42.51,"az":83.4,"t":"2031-08-28T21:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.45,"alt":43.44,"az":84.2,"t":"2031-08-28T21:40:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.43,"alt":44.37,"az":84.9,"t":"2031-08-28T21:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.41,"alt":45.31,"az":85.7,"t":"2031-08-28T21:50:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.38,"alt":46.24,"az":86.5,"t":"2031-08-28T21:55:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.36,"alt":47.17,"az":87.2,"t":"2031-08-28T22:00:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.34,"alt":48.11,"az":88.0,"t":"2031-08-28T22:05:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.32,"alt":49.05,"az":88.8,"t":"2031-08-28T22:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.3,"alt":49.98,"az":89.6,"t":"2031-08-28T22:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.29,"alt":50.92,"az":90.5,"t":"2031-08-28T22:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.27,"alt":51.85,"az":91.3,"t":"2031-08-28T22:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.25,"alt":52.79,"az":92.2,"t":"2031-08-28T22:30:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.24,"alt":53.72,"az":93.1,"t":"2031-08-28T22:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.23,"alt":54.66,"az":94.0,"t":"2031-08-28T22:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.21,"alt":55.59,"az":94.9,"t":"2031-08-28T22:45:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.2,"alt":56.52,"az":95.9,"t":"2031-08-28T22:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.19,"alt":57.45,"az":96.9,"t":"2031-08-28T22:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.17,"alt":58.38,"az":97.9,"t":"2031-08-28T23:00:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.16,"alt":59.31,"az":99.0,"t":"2031-08-28T23:05:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.15,"alt":60.23,"az":100.1,"t":"2031-08-28T23:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.14,"alt":61.15,"az":101.2,"t":"2031-08-28T23:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.13,"alt":62.07,"az":102.4,"t":"2031-08-28T23:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.12,"alt":62.98,"az":103.7,"t":"2031-08-28T23:25:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.11,"alt":63.88,"az":105.0,"t":"2031-08-28T23:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.1,"alt":64.79,"az":106.3,"t":"2031-08-28T23:35:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.1,"alt":65.68,"az":107.7,"t":"2031-08-28T23:40:00Z","terrain":-0.85},{"above_terrain":true,"airmass":1.09,"alt":66.57,"az":109.3,"t":"2031-08-28T23:45:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.08,"alt":67.45,"az":110.8,"t":"2031-08-28T23:50:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.08,"alt":68.32,"az":112.5,"t":"2031-08-28T23:55:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.07,"alt":69.18,"az":114.3,"t":"2031-08-29T00:00:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.06,"alt":70.02,"az":116.2,"t":"2031-08-29T00:05:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.06,"alt":70.85,"az":118.3,"t":"2031-08-29T00:10:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.05,"alt":71.67,"az":120.5,"t":"2031-08-29T00:15:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.05,"alt":72.47,"az":122.8,"t":"2031-08-29T00:20:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.04,"alt":73.24,"az":125.3,"t":"2031-08-29T00:25:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.04,"alt":73.99,"az":128.1,"t":"2031-08-29T00:30:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.04,"alt":74.71,"az":131.0,"t":"2031-08-29T00:35:00Z","terrain":-1.69},{"above_terrain":true,"airmass":1.03,"alt":75.4,"az":134.2,"t":"2031-08-29T00:40:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.03,"alt":76.05,"az":137.7,"t":"2031-08-29T00:45:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.03,"alt":76.66,"az":141.5,"t":"2031-08-29T00:50:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.03,"alt":77.22,"az":145.6,"t":"2031-08-29T00:55:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.02,"alt":77.72,"az":150.0,"t":"2031-08-29T01:00:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.02,"alt":78.15,"az":154.7,"t":"2031-08-29T01:05:00Z","terrain":-1.07},{"above_terrain":true,"airmass":1.02,"alt":78.51,"az":159.7,"t":"2031-08-29T01:10:00Z","terrain":-1.04},{"above_terrain":true,"airmass":1.02,"alt":78.8,"az":165.0,"t":"2031-08-29T01:15:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.02,"alt":79.0,"az":170.5,"t":"2031-08-29T01:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.02,"alt":79.11,"az":176.1,"t":"2031-08-29T01:25:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.02,"alt":79.12,"az":181.8,"t":"2031-08-29T01:30:00Z","terrain":-0.67},{"above_terrain":true,"airmass":1.02,"alt":79.05,"az":187.5,"t":"2031-08-29T01:35:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.02,"alt":78.88,"az":193.0,"t":"2031-08-29T01:40:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.02,"alt":78.63,"az":198.4,"t":"2031-08-29T01:45:00Z","terrain":-0.35},{"above_terrain":true,"airmass":1.02,"alt":78.29,"az":203.5,"t":"2031-08-29T01:50:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.02,"alt":77.88,"az":208.4,"t":"2031-08-29T01:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.02,"alt":77.41,"az":212.9,"t":"2031-08-29T02:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.03,"alt":76.87,"az":217.1,"t":"2031-08-29T02:05:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.03,"alt":76.28,"az":220.9,"t":"2031-08-29T02:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.03,"alt":75.64,"az":224.5,"t":"2031-08-29T02:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.04,"alt":74.97,"az":227.8,"t":"2031-08-29T02:20:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.04,"alt":74.26,"az":230.9,"t":"2031-08-29T02:25:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.04,"alt":73.52,"az":233.7,"t":"2031-08-29T02:30:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.05,"alt":72.75,"az":236.3,"t":"2031-08-29T02:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.05,"alt":71.96,"az":238.7,"t":"2031-08-29T02:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.06,"alt":71.15,"az":241.0,"t":"2031-08-29T02:45:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.06,"alt":70.33,"az":243.0,"t":"2031-08-29T02:50:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.07,"alt":69.48,"az":245.0,"t":"2031-08-29T02:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.07,"alt":68.63,"az":246.8,"t":"2031-08-29T03:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.08,"alt":67.76,"az":248.6,"t":"2031-08-29T03:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.09,"alt":66.89,"az":250.2,"t":"2031-08-29T03:10:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.09,"alt":66.0,"az":251.7,"t":"2031-08-29T03:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.1,"alt":65.11,"az":253.2,"t":"2031-08-29T03:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":64.21,"az":254.6,"t":"2031-08-29T03:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.12,"alt":63.31,"az":255.9,"t":"2031-08-29T03:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.13,"alt":62.4,"az":257.1,"t":"2031-08-29T03:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.14,"alt":61.48,"az":258.3,"t":"2031-08-29T03:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.15,"alt":60.56,"az":259.5,"t":"2031-08-29T03:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.16,"alt":59.64,"az":260.6,"t":"2031-08-29T03:50:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.17,"alt":58.72,"az":261.7,"t":"2031-08-29T03:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.18,"alt":57.79,"az":262.7,"t":"2031-08-29T04:00:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.19,"alt":56.86,"az":263.7,"t":"2031-08-29T04:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.21,"alt":55.93,"az":264.7,"t":"2031-08-29T04:10:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.22,"alt":55.0,"az":265.7,"t":"2031-08-29T04:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.23,"alt":54.06,"az":266.6,"t":"2031-08-29T04:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.25,"alt":53.13,"az":267.5,"t":"2031-08-29T04:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.26,"alt":52.19,"az":268.4,"t":"2031-08-29T04:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.28,"alt":51.26,"az":269.2,"t":"2031-08-29T04:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.3,"alt":50.32,"az":270.1,"t":"2031-08-29T04:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.32,"alt":49.39,"az":270.9,"t":"2031-08-29T04:45:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.33,"alt":48.45,"az":271.7,"t":"2031-08-29T04:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.35,"alt":47.51,"az":272.5,"t":"2031-08-29T04:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.38,"alt":46.58,"az":273.3,"t":"2031-08-29T05:00:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.4,"alt":45.65,"az":274.0,"t":"2031-08-29T05:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.42,"alt":44.71,"az":274.8,"t":"2031-08-29T05:10:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.44,"alt":43.78,"az":275.6,"t":"2031-08-29T05:15:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.47,"alt":42.85,"az":276.3,"t":"2031-08-29T05:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.49,"alt":41.92,"az":277.0,"t":"2031-08-29T05:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.52,"alt":40.99,"az":277.8,"t":"2031-08-29T05:30:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.55,"alt":40.06,"az":278.5,"t":"2031-08-29T05:35:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.58,"alt":39.14,"az":279.2,"t":"2031-08-29T05:40:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.61,"alt":38.22,"az":279.9,"t":"2031-08-29T05:45:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.65,"alt":37.3,"az":280.6,"t":"2031-08-29T05:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.68,"alt":36.38,"az":281.3,"t":"2031-08-29T05:55:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.72,"alt":35.46,"az":282.0,"t":"2031-08-29T06:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.76,"alt":34.55,"az":282.7,"t":"2031-08-29T06:05:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.8,"alt":33.63,"az":283.4,"t":"2031-08-29T06:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.85,"alt":32.73,"az":284.1,"t":"2031-08-29T06:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.89,"alt":31.82,"az":284.8,"t":"2031-08-29T06:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.94,"alt":30.92,"az":285.4,"t":"2031-08-29T06:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.99,"alt":30.01,"az":286.1,"t":"2031-08-29T06:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.05,"alt":29.12,"az":286.8,"t":"2031-08-29T06:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.11,"alt":28.22,"az":287.5,"t":"2031-08-29T06:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.17,"alt":27.33,"az":288.2,"t":"2031-08-29T06:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.24,"alt":26.44,"az":288.9,"t":"2031-08-29T06:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.31,"alt":25.56,"az":289.5,"t":"2031-08-29T06:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.38,"alt":24.68,"az":290.2,"t":"2031-08-29T07:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.47,"alt":23.8,"az":290.9,"t":"2031-08-29T07:05:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.55,"alt":22.93,"az":291.6,"t":"2031-08-29T07:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.65,"alt":22.06,"az":292.3,"t":"2031-08-29T07:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.75,"alt":21.2,"az":293.0,"t":"2031-08-29T07:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.86,"alt":20.34,"az":293.7,"t":"2031-08-29T07:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.98,"alt":19.49,"az":294.4,"t":"2031-08-29T07:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.1,"alt":18.64,"az":295.1,"t":"2031-08-29T07:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.24,"alt":17.79,"az":295.8,"t":"2031-08-29T07:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.4,"alt":16.95,"az":296.5,"t":"2031-08-29T07:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.56,"alt":16.11,"az":297.2,"t":"2031-08-29T07:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.75,"alt":15.28,"az":297.9,"t":"2031-08-29T07:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":3.95,"alt":14.46,"az":298.6,"t":"2031-08-29T08:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":4.17,"alt":13.64,"az":299.3,"t":"2031-08-29T08:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":4.42,"alt":12.83,"az":300.1,"t":"2031-08-29T08:10:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.7,"alt":12.02,"az":300.8,"t":"2031-08-29T08:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.02,"alt":11.22,"az":301.5,"t":"2031-08-29T08:20:00Z","terrain":0.19},{"above_terrain":true,"airmass":5.37,"alt":10.43,"az":302.3,"t":"2031-08-29T08:25:00Z","terrain":-0.0},{"above_terrain":true,"airmass":5.78,"alt":9.64,"az":303.0,"t":"2031-08-29T08:30:00Z","terrain":-0.23},{"above_terrain":true,"airmass":6.25,"alt":8.86,"az":303.8,"t":"2031-08-29T08:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":6.79,"alt":8.08,"az":304.5,"t":"2031-08-29T08:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.43,"alt":7.31,"az":305.3,"t":"2031-08-29T08:45:00Z","terrain":-0.26},{"above_terrain":true,"airmass":8.19,"alt":6.55,"az":306.0,"t":"2031-08-29T08:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":9.1,"alt":5.8,"az":306.8,"t":"2031-08-29T08:55:00Z","terrain":0.11},{"above_terrain":true,"airmass":10.21,"alt":5.05,"az":307.6,"t":"2031-08-29T09:00:00Z","terrain":0.26}],"transit":{"airmass":1.02,"alt":79.1,"az":181.8,"t":"2031-08-29T01:30:00Z"},"usable_hours":6.58,"verdict":"good","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}